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Author Topic: Overcooling a Xenon bulb in a Barco? Joris Springer Film Handler Posts: 83 From: Almere, Flevoland, The Netherlands Registered: Feb 2007 posted 03-30-2014 01:28 PM                     Marco, the Lamp house is an XL from what I can tell, so we are running the correct lamp in the projector. The airflow is in order, fans are running at their correct speed and there is no heat warning from the projector. The problems in our projectors did not start until we got the new lamp houses. I have here a picture of the back of it: Unfortunately I could not remove it but as you can see it is quite different from the original ones in the 32B (which used to look a bit like the ones in the 100 series). I am aware that the blue color means that it is getting too warm. Luckily the last two lamps with the new lamp house did not turn blue at that point but still failed after around 300 hours, unstable picture (getting light and dark).  |  IP: Logged Marco Giustini Film God Posts: 2713 From: Reading, UK Registered: Nov 2007 posted 03-30-2014 03:08 PM                     On the label you should see XL or S/M somewhere. I thought XL and SM were identical, the only difference being the mirrors and the anode connector. Did you ask Barco?  |  IP: Logged Nerijus Marmokas Film Handler Posts: 41 From: Panevezys / Lithuania Registered: Jan 2012 posted 04-04-2014 03:25 AM                     Oh this is XL lamphouse alright. What you see in the picture is "Second Generation" lamphouse. We had some issues with mismaching reflectors, becuse they are a bit different in gen1 and gen2. They have different looks from outside even. Look this up in latest service manual. Its all there. For the original problem - We have some similar issues in some screens. But still no clue what is the problem. If you have another 32B, you can try swapping LPS'es, SPG module. Regards, Nerijus  |  IP: Logged Antti Nayha Master Film Handler Posts: 268 From: Helsinki, Finland Registered: Oct 2008 posted 04-06-2014 02:32 AM                     quote: Marco Giustini S/M can fit 1,2kW up to 3kW lamps. XL from 3kW up to 6.5kW. The 3kW lamp for the S/M is not the same lamp for the XL. Just some minor nitpicking: The S/M lamphouse accommodates up to 4 kW lamps, so there is some overlap. The 3 and 4 kW lamps are indeed different models for S/M versus XL lamphouses. In Ushio nomenclature, those are BAF lamps for the S/M lamphouse and BA/BA2 lamps for the XL lamphosue.  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 04-06-2014 12:00 PM                     And if you really want to pick nits...one CAN use the "SC" type lamps in the XL lamphouse. Barco still gives you all of the lamp adapters...so technically, the XL lamphouse can take a UXL-20SC (or equivalent sized lamp from other manufacturers).  |  IP: Logged Marco Giustini Film God Posts: 2713 From: Reading, UK Registered: Nov 2007 posted 04-06-2014 01:45 PM                     The S/M lamphouse can fit the 4kW lamp indeed - my bad - but according to the service manual the smallest lamp that can be fitted in a XL lamphouse is a 3kW one?  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 04-07-2014 06:34 AM                     That is because Barco arbitrarily chose to only list the purpose built lamps and not the "film" lamps. As I said, they STILL give you the adapters to use the "SC" style lamps. For the Cathode, use the R8436061K, for the anode, use the R859987K. You'll have to create your own lamp file to have the power supplies be confined to the proper range but that is about it.  |  IP: Logged

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